Hydrogen fuel cell system and BOP part placing rack

Abstract

The utility model relates to the technical field of hydrogen fuel cell system and BOP part placement, in particular to a hydrogen fuel cell system and BOP part placement rack. The device comprises a bottom frame, and a top frame is installed at the upper end of the bottom frame; the two ends of the mounting plate are fixedly connected with the inner wall surface of the top frame; the universal wheels are located on the surfaces of the bottom ends of the corners of the periphery of the bottom frame; the adjusting device is located at the position, corresponding to the mounting plate, of the surface of the top frame. The limiting assemblies are located at the two ends of the mounting plate, and the extrusion assemblies are arranged on the surface of the mounting plate. The problems that the type selection difference of a fuel cell system and BOP parts is large, the customized design period of a placement rack is long, systems of different types can be replaced, BOP parts can be placed again, at the moment, the customized rack needs to be transformed to adapt to new systems and BOP part structures, the transformation period is long, and then the storage efficiency is affected are solved.

Description

Technical Field

[0001] This application relates to the field of hydrogen fuel cell systems and BOP (Body-on-Plug) component placement technology, and particularly to hydrogen fuel cell systems and BOP component placement racks. Background Technology

[0002] Hydrogen fuel cells are power generation devices that directly convert the chemical energy of hydrogen and oxygen into electrical energy. In the process of placing hydrogen fuel cell systems and BOP components, different storage racks are generally required for fuel cell systems and BOP components with different power and performance, which is quite common in the processing and production of hydrogen fuel cell systems.

[0003] Existing technologies, such as the utility model with publication number CN114284537B, specifically disclose a positioning fixture for assembling hydrogen fuel cells and its usage method. The fixture includes a base plate for supporting hydrogen fuel cell components, mounting plates for fixing the base plate around its perimeter, limit components on both sides of the base plate, connecting components connected to both sides of one end of the base plate, a support rod connected to the top of the connecting components, a top seat connected to the top of the support rod, and a compaction structure for connecting the hydrogen fuel cell components on one side of the top seat. This utility model, through the compaction structure, controls a motor to drive a threaded drive shaft to rotate, causing the extrusion plate at the bottom of the cylinder plate to move downwards, compacting the hydrogen fuel cell components. This results in continuous compression and sealing between the components, making it more convenient than traditional assembly and subsequent component transfer. Furthermore, the screw-progressive method facilitates control of the extrusion amount, preventing excessive extrusion that could affect the connection effect.

[0004] In the processing and production of hydrogen fuel cell systems, existing technologies show significant differences in the selection of hydrogen fuel cell systems and BOP components with different power and performance. The customized design cycle of the placement bench is also long, which may lead to situations where different models of systems and BOP components need to be replaced and placed again. In this case, the customized bench needs to be modified to adapt to the new system and BOP component structure, which takes a long time and thus affects the storage efficiency. Utility Model Content

[0005] One of the technical problems this application aims to solve is that: there are significant differences in the selection of fuel cell systems and BOP components, and the customized design cycle of the placement test bench is long. There will be situations where different models of systems and BOP components are replaced and the test benches are placed again. In this case, the customized test bench needs to be modified to adapt to the new system and BOP component structure, which takes a long time and thus affects the storage efficiency.

[0006] To address the aforementioned technical problems, this application provides a hydrogen fuel cell system and a BOP component placement platform, comprising: a base frame, with a top frame mounted on the upper end of the base frame;

[0007] Mounting plate, with both ends of the mounting plate fixedly connected to the inner wall surface of the top frame;

[0008] The casters are located on the bottom surface of the four corners of the base frame;

[0009] An adjustment device is located on the surface of the top frame corresponding to the mounting plate.

[0010] Limiting components are located at both ends of the mounting plate.

[0011] Extrusion assembly, the extrusion assembly is disposed on the surface of the mounting plate; and

[0012] The lifting device allows the bottom edges of the top frame to slide and connect with the bottom edges of the bottom frame via the lifting device.

[0013] The adjusting device includes a fixed plate with an "L"-shaped cross-section. Fixed holes are provided on both sides of the fixed plate. The fixed holes have a vertical cross-section. A fixed rod slides through the inner wall of the fixed hole. The fixed rod has a "T"-shaped cross-section. A fixed shaft is threaded to the arc surface of the fixed rod. The limiting component includes an inlay groove, which is opened on the surface of the mounting plate. A slider is slidably connected to the inner wall of the inlay groove. A limiting block is rotatably connected to the upper surface of the slider. The pressing component includes an auxiliary plate. One end of the auxiliary plate is fixedly connected to one end of the mounting plate. A movable plate is slidably connected to the auxiliary plate. The movable plate has a conical cross-section. A connecting block with a pointed conical cross-section is fixedly connected to the side wall of the top frame at the position corresponding to the movable plate.

[0014] The lifting device includes a support column, a connecting column, and a support plate. The upper end of the support column is fixedly connected to the bottom surface of the top frame, and the surface of the support column is slidably connected to the inner wall of the bottom frame. Several support rods are fixedly connected to one side of the support column. One end of the connecting column is fixedly connected to the side wall of the bottom frame. The support plate slides through the connecting column, and the upper end of the support plate is engaged with the connecting column.

[0015] In some embodiments, the adjusting device further includes two slide grooves, which are respectively formed on the inner walls of both sides of the top frame and the two end surfaces of the mounting plate. The inner walls of the slide grooves are slidably connected to the surfaces of the fixing rods. The top frame and the surfaces of the mounting plate are provided with inlay holes at the positions corresponding to the slide grooves. The cross-sectional dimensions of the inlay holes are adapted to the cross-sectional dimensions of the fixing rods.

[0016] In some embodiments, a gasket is fitted onto the arcuate surface of the fixing rod, and the surface of the gasket abuts against one side of the fixing shaft.

[0017] In some embodiments, the limiting component further includes a positioning hole, which is formed on the surface of the slider. A positioning rod is inserted into the inner wall of the positioning hole. One end of the positioning rod is threaded to a pressing shaft. A moving groove is formed on the side wall of the mounting plate corresponding to the position of the positioning rod. The inner wall of the moving groove slides through the surface of the positioning rod. The width of the moving groove is adapted to the cross-sectional dimensions of the positioning rod.

[0018] In some embodiments, the extrusion assembly further includes a connecting groove formed on the surface of the auxiliary plate. An auxiliary rod is fixedly connected to the inner wall of the connecting groove. The arc surface of the auxiliary rod slides through the connecting plate. Both ends of the connecting plate are fixedly connected to the surface of the movable plate. A spring is sleeved on the arc surface of the auxiliary rod. Both ends of the spring are fixedly connected to the inner wall surfaces of the connecting plate and the connecting groove, respectively.

[0019] In some embodiments, a friction pad, which is a rubber pad, is fixedly connected to the surface of the connecting block.

[0020] In some embodiments, the lifting device further includes a tension spring, which is sleeved on the surface of the connecting column. The two ends of the tension spring are fixedly connected to the connecting column and the support plate, respectively. A slot is provided on the upper surface of the support plate, and the cross-section of the slot is U-shaped.

[0021] In some embodiments, a protective sleeve is fixedly connected to the arc surface of the support rod, and the surface of the protective sleeve engages with the inner wall of the slot.

[0022] In some embodiments, the inner wall of the slot has an arc-shaped cross-section at both ends, and the cross-sectional dimensions of the slot are adapted to the cross-sectional dimensions of the support rod.

[0023] In some embodiments, an auxiliary hole is provided on the bottom surface of the support plate. The inner wall of the auxiliary hole slides through the surface of the connecting column. The cross-section of the connecting column is cross-shaped, and the cross-sectional dimensions of the auxiliary hole are adapted to the cross-sectional dimensions of the connecting column.

[0024] Through the above technical solution, the hydrogen fuel cell system and BOP component placement stand provided in this application offers a movable and easily assembled stand for placing fuel cell systems and BOP components with different power and performance. The stand structure can be adjusted according to the structural requirements of different systems and BOP components, achieving multiple uses and improving the efficiency of new system testing and development. In this process, with the help of the extrusion component in the adjustment device, the limiting between the moving plate and the side wall of the top frame can effectively extrude and fix the mounting plate when moving horizontally. Then, the limiting component set on the surface of the mounting plate helps to adjust the position of the limiting block in the embedded groove on the surface of the mounting plate, facilitating the positioning of the BOP components. At this time, compared with the traditional fixed test stand, it can be moved to the ideal storage position, reducing economic investment. Attached Figure Description

[0025] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0026] Figure 1 This is a three-dimensional structural diagram of the hydrogen fuel cell system and BOP component placement platform disclosed in the embodiments of this application;

[0027] Figure 2 This is a schematic diagram of the structure of the adjustment device for the hydrogen fuel cell system and BOP component placement platform disclosed in the embodiments of this application;

[0028] Figure 3 This is a schematic diagram of the disassembled structure of the adjustment device of the hydrogen fuel cell system and BOP component placement platform disclosed in the embodiments of this application;

[0029] Figure 4 This is a schematic diagram of the extrusion assembly of the hydrogen fuel cell system and BOP component placement platform disclosed in the embodiments of this application;

[0030] Figure 5 This is a schematic diagram showing the disassembled structure of the extrusion assembly of the hydrogen fuel cell system and BOP component placement platform disclosed in the embodiments of this application;

[0031] Figure 6 This is a schematic diagram of the structure of the limiting component of the hydrogen fuel cell system and BOP component placement platform disclosed in the embodiments of this application;

[0032] Figure 7 This is a partial structural schematic diagram of the limiting assembly of the hydrogen fuel cell system and BOP component placement platform disclosed in the embodiments of this application;

[0033] Figure 8 This is a schematic diagram of the lifting device of the hydrogen fuel cell system and BOP component placement platform disclosed in the embodiments of this application;

[0034] Figure 9 This is a schematic diagram showing the disassembled structure of the lifting device for the hydrogen fuel cell system and BOP component placement platform disclosed in the embodiments of this application.

[0035] Explanation of reference numerals in the attached figures:

[0036] 1. Top frame; 2. Bottom frame; 3. Casters; 4. Adjustment device; 41. Fixing plate; 42. Fixing rod; 43. Slide groove; 44. Inlay hole; 45. Fixing hole; 46. Shim; 47. Fixing shaft; 48. Limiting assembly; 481. Inlay groove; 482. Slider; 483. Positioning rod; 484. Extrusion shaft; 485. Moving groove; 486. Limiting block; 487. Positioning hole; 49. Extrusion assembly; 491. Auxiliary plate; 492. Connecting block; 493. Friction pad; 494. Moving plate; 495. Connecting groove; 496. Connecting plate; 497. Auxiliary rod; 498. Spring; 5. Mounting plate; 6. Lifting device; 61. Support column; 62. Support rod; 63. Connecting column; 64. Tension spring; 65. Support plate; 66. Protective sleeve; 67. Auxiliary hole; 68. Slot. Detailed Implementation

[0037] The embodiments of this application will be further described in detail below with reference to the accompanying drawings and examples. The detailed description of the embodiments and the accompanying drawings are used to illustrate the principles of this application by way of example, but should not be used to limit the scope of this application. This application can be implemented in many different forms and is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

[0038] These embodiments are provided to make the application thorough and complete, and to fully express the scope of the application to those skilled in the art. It should be noted that, unless otherwise specifically stated, the relative arrangement of components and steps, material composition, numerical expressions, and values ​​illustrated in these embodiments should be interpreted as merely exemplary and not as limiting.

[0039] It should be noted that, in the description of this application, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," and "outer," etc., indicating orientation or positional relationships, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0040] Furthermore, the terms "first," "second," and similar words used in this application do not indicate any order, quantity, or importance, but are merely used to distinguish different parts. "Vertical" is not strictly vertical, but within the permissible margin of error. "Parallel" is not strictly parallel, but within the permissible margin of error. Words such as "including" or "contains" mean that the element preceding the word encompasses the element listed after the word, and do not exclude the possibility of encompassing other elements as well.

[0041] It should also be noted that, in the description of this application, unless otherwise expressly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this application depending on the specific circumstances. When a specific device is described as being located between a first device and a second device, an intermediary device may or may not be present between the specific device and the first or second device.

[0042] All terms used in this application have the same meaning as understood by one of ordinary skill in the art to which this application pertains, unless otherwise specifically defined. It should also be understood that terms defined in general dictionaries should be interpreted as having meanings consistent with their meanings in the context of the relevant art, and not as idealized or highly formalized, unless expressly defined herein.

[0043] Techniques, methods, and equipment known to those skilled in the art may not be discussed in detail, but where appropriate, they should be considered part of the specification.

[0044] Reference Figure 1 As shown, this utility model provides a technical solution: a hydrogen fuel cell system and a BOP component placement platform, including a bottom frame 2, and a top frame 1 installed on the upper end of the bottom frame 2;

[0045] Mounting plate 5, with both ends of mounting plate 5 fixedly connected to the inner wall surface of top frame 1;

[0046] 3 omnidirectional wheels are located on the bottom surface of the four corners of the base frame 2;

[0047] Adjustment device 4 is located on the surface of the top frame 1 at the position corresponding to the mounting plate 5;

[0048] Limiting components 48 are located at both ends of the mounting plate 5.

[0049] Extrusion assembly 49, which is disposed on the surface of mounting plate 5; and

[0050] The lifting device 6 is used to slide the bottom of the four corners of the top frame 1 to the four corners of the bottom frame 2.

[0051] The specific settings and functions of the adjusting device 4 and the lifting device 6 will be explained in detail below.

[0052] Reference Figure 2 , Figure 4 , Figure 5 , Figure 6 and Figure 7As shown, in this embodiment: the adjusting device 4 includes a fixing plate 41 with an "L"-shaped cross-section. Fixing holes 45 are provided on both sides of the fixing plate 41. The fixing holes 45 have a vertical cross-section. A fixing rod 42 slides through the inner wall of the fixing hole 45. The fixing rod 42 has a "T"-shaped cross-section. A fixing shaft 47 is threaded onto the arc surface of the fixing rod 42. The limiting component 48 includes an insert groove 481, which is located on the surface of the mounting plate 5. A slider 482 is slidably connected to the inner wall of the insert groove 481. A limiting block 486 is rotatably connected to the upper surface of the slider 482. The pressing component 49 includes an auxiliary plate 491, one end of which is fixedly connected to one end of the mounting plate 5. A moving plate 494 is slidably connected to the auxiliary plate 491. The movable plate 494 has a tapered cross-section. A connecting block 492 is fixedly connected to the side wall of the top frame 1 at the position corresponding to the movable plate 494. The connecting block 492 has a pointed cone cross-section. When adjusting the position of the mounting plate 5 on the inner wall of the top frame 1, the mounting plate 5 can be slid along the inner wall of the top frame 1 first. Then, the fixing plate 41 is connected to the two side walls of the mounting plate 5. The fixing holes 45 on both sides of the fixing plate 41 are used to insert the fixing rod 42. Then, the fixing shaft 47 is used to squeeze and limit the position. At the same time, the movable plate 494 in the squeezing assembly 49 is used to lock and limit the position with the locking block fixed to the side wall of the top frame 1, so that the mounting plate 5 can be moved and then the position is fixed. At the same time, the limiting block 486 on the surface of the mounting plate 5 is used to squeeze and fix the battery system components.

[0053] The lifting device 6 includes a support column 61, a connecting column 63, and a support plate 65. The upper end of the support column 61 is fixedly connected to the bottom surface of the top frame 1, and the surface of the support column 61 is slidably connected to the inner wall of the bottom frame 2. Several support rods 62 are fixedly connected to one side of the support column 61. One end of the connecting column 63 is fixedly connected to the side wall of the bottom frame 2. The support plate 65 slides through the connecting column 63, and the upper end of the support plate 65 is engaged with the connecting column 63. When operating the top frame 1 and the bottom frame 2, the lifting operation can be performed by using the support column 61 at the end of the top frame 1 and the bottom frame 2 that is close to each other. By using the engagement between the connecting column 63 on the surface of the support column 61 and the support plate 65, the support column 61 can be raised, and then the upper end of the support plate 65 can be engaged and limited.

[0054] The adjusting device 4 also includes two sliding grooves 43, which are respectively opened on the inner walls of both sides of the top frame 1 and the two end surfaces of the mounting plate 5. The inner wall of the sliding groove 43 is slidably connected to the surface of the fixing rod 42. The top frame 1 and the mounting plate 5 are provided with inlay holes 44 at the positions corresponding to the sliding grooves 43. The cross-sectional dimensions of the inlay holes 44 are adapted to the cross-sectional dimensions of the fixing rod 42. The fixing rod 42 can be easily placed in the sliding groove 43 by means of the inlay holes 44, so that the fixing rod 42 in the inlay holes 44 can be connected and fixed with the fixing holes 45. The arc surface of the fixing rod 42 is fitted with a gasket 46, and the surface of the gasket 46 abuts against one side of the fixing shaft 47. At the same time, the gasket 46 is used to protect the fixing shaft 47 and prevent the fixing shaft 47 from loosening and falling off.

[0055] The limiting component 48 also includes a positioning hole 487, which is formed on the surface of the slider 482. A positioning rod 483 is inserted into the inner wall of the positioning hole 487. One end of the positioning rod 483 is threadedly connected to a pressing shaft 484. A moving groove 485 is formed on the side wall of the mounting plate 5 corresponding to the position of the positioning rod 483. The inner wall of the moving groove 485 slides through the surface of the positioning rod 483. The width of the moving groove 485 is adapted to the cross-sectional dimensions of the positioning rod 483. The positioning rod 483, which slides through the surface of the slider 482, can slide through the moving groove 485 formed on the surface of the mounting plate 5. Then, the pressing shaft 484 is used for pressing and limiting, thereby effectively and conveniently limiting the position of the entire slider 482, allowing the limiting block 486 at the upper end of the slider 482 to be adjusted in multiple positions.

[0056] The extrusion assembly 49 also includes a connecting groove 495, which is formed on the surface of the auxiliary plate 491. An auxiliary rod 497 is fixedly connected to the inner wall of the connecting groove 495. The arc surface of the auxiliary rod 497 slides through the connecting plate 496. Both ends of the connecting plate 496 are fixedly connected to the surface of the moving plate 494. A spring 498 is sleeved on the arc surface of the auxiliary rod 497. Both ends of the spring 498 are fixedly connected to the inner wall surfaces of the connecting plate 496 and the connecting groove 495, respectively. The tensile force generated by the spring 498 can extrude the position of the moving plate 494, which helps to effectively lock and limit the movement between the moving plate 494 and the locking block. A friction pad 493 is fixedly connected to the surface of the connecting block 492. The friction pad 493 is a rubber pad. The rubber friction pad 493 can make the locking block and the moving plate 494 more firmly fixed.

[0057] Reference Figure 8 and Figure 9As shown in this embodiment: the lifting device 6 further includes a tension spring 64, which is sleeved on the surface of the connecting column 63. Both ends of the tension spring 64 are fixedly connected to the connecting column 63 and the support plate 65, respectively. A slot 68 is formed on the upper surface of the support plate 65. The slot 68 has a U-shaped cross-section. The slot 68 can be used to engage and fix the support plate 65 and the support rod 62, preventing the entire support column 61 from falling off. A protective sleeve 66 is fixedly connected to the arc surface of the support rod 62. The surface of the protective sleeve 66 engages with the inner wall of the slot 68. The protective sleeve 66 prevents the support plate 65 from detaching from the support rod 62. The sliding detachment between 2 and 3 is prevented. The inner wall of the slot 68 has an arc-shaped cross section at both ends. The cross section size of the slot 68 is adapted to the cross section size of the support rod 62. An auxiliary hole 67 is provided on the bottom surface of the support plate 65. The inner wall of the auxiliary hole 67 slides through the surface of the connecting column 63. The cross section of the connecting column 63 is cross-shaped. The cross section size of the auxiliary hole 67 is adapted to the cross section size of the connecting column 63. Through the cross-shaped auxiliary hole 67 and the connecting column 63, the position of the support plate 65 on the surface of the connecting column 63 can be prevented from deflecting, so that the support plate 65 cannot be locked and fixed with the support rod 62.

[0058] The embodiments of this application have now been described in detail. To avoid obscuring the concept of this application, some details known in the art have not been described. Those skilled in the art can fully understand how to implement such disclosed technical solutions based on the above description.

[0059] While specific embodiments of this application have been described in detail by way of examples, those skilled in the art should understand that the above examples are for illustrative purposes only and are not intended to limit the scope of this application. Those skilled in the art should understand that modifications can be made to the above embodiments or equivalent substitutions can be made to some technical features without departing from the scope and spirit of this application. In particular, as long as there is no structural conflict, the various technical features mentioned in the embodiments can be combined in any manner.

Claims

1. A hydrogen fuel cell system and a BOP (Balance of Plant) component placement stand, characterized in that, include: A bottom frame (2), with a top frame (1) installed at the upper end of the bottom frame (2); Mounting plate (5), the two ends of which are fixedly connected to the inner wall surface of the top frame (1); The caster wheel (3) is located on the bottom surface of the four corners of the bottom frame (2); Adjustment device (4), the adjustment device (4) is located on the surface of the top frame (1) corresponding to the mounting plate (5); Limiting components (48) are located at both ends of the mounting plate (5). An extrusion assembly (49) is disposed on the surface of a mounting plate (5); and The lifting device (6) is used to slide the bottom of the four corners of the top frame (1) to the four corners of the bottom frame (2). The adjusting device (4) includes a fixing plate (41) with an "L"-shaped cross-section. Fixing holes (45) are provided on both sides of the fixing plate (41). The fixing holes (45) have a vertical cross-section. A fixing rod (42) slides through the inner wall of the fixing hole (45). The fixing rod (42) has a "T"-shaped cross-section. A fixing shaft (47) is threaded onto the arc surface of the fixing rod (42). The limiting component (48) includes an insert groove (481) on the surface of the mounting plate (5). A slider (482) is slidably connected to the inner wall of the inlay groove (481). A limit block (486) is rotatably connected to the upper surface of the slider (482). The extrusion assembly (49) includes an auxiliary plate (491). One end of the auxiliary plate (491) is fixedly connected to one end of the mounting plate (5). A movable plate (494) is slidably connected to the auxiliary plate (491). The movable plate (494) has a conical cross-section. A connecting block (492) is fixedly connected to the side wall of the top frame (1) at the position corresponding to the movable plate (494). The connecting block (492) has a pointed conical cross-section. The lifting device (6) includes a support column (61), a connecting column (63), and a support plate (65). The upper end of the support column (61) is fixedly connected to the bottom surface of the top frame (1). The surface of the support column (61) is slidably connected to the inner wall of the bottom frame (2). Several support rods (62) are fixedly connected to one side of the support column (61). One end of the connecting column (63) is fixedly connected to the side wall of the bottom frame (2). The support plate (65) slides through the connecting column (63). The upper end of the support plate (65) is engaged with the connecting column (63).

2. The hydrogen fuel cell system and BOP component placement frame according to claim 1, characterized in that, The adjustment device (4) further includes two slide grooves (43), which are respectively opened on the inner walls of both sides of the top frame (1) and the two end surfaces of the mounting plate (5). The inner wall of the slide groove (43) is slidably connected to the surface of the fixing rod (42). The top frame (1) and the mounting plate (5) are provided with inlay holes (44) at the positions corresponding to the slide grooves (43). The cross-sectional dimensions of the inlay holes (44) are adapted to the cross-sectional dimensions of the fixing rod (42).

3. The hydrogen fuel cell system and BOP component placement frame according to claim 1, characterized in that, The arc surface of the fixing rod (42) is fitted with a gasket (46), and the surface of the gasket (46) abuts against one side of the fixing shaft (47).

4. The hydrogen fuel cell system and BOP component placement stand according to claim 1, characterized in that, The limiting component (48) also includes a positioning hole (487), which is opened on the surface of the slider (482). A positioning rod (483) is inserted into the inner wall of the positioning hole (487). One end of the positioning rod (483) is threaded to a pressing shaft (484). A moving groove (485) is opened on the side wall of the mounting plate (5) corresponding to the position of the positioning rod (483). The inner wall of the moving groove (485) slides through the surface of the positioning rod (483). The width of the moving groove (485) is adapted to the cross-sectional size of the positioning rod (483).

5. The hydrogen fuel cell system and BOP component placement stand according to claim 1, characterized in that, The extrusion assembly (49) further includes a connecting groove (495), which is formed on the surface of the auxiliary plate (491). An auxiliary rod (497) is fixedly connected to the inner wall of the connecting groove (495). The arc surface of the auxiliary rod (497) slides through the connecting plate (496). Both ends of the connecting plate (496) are fixedly connected to the surface of the moving plate (494). A spring (498) is sleeved on the arc surface of the auxiliary rod (497). Both ends of the spring (498) are fixedly connected to the inner wall surfaces of the connecting plate (496) and the connecting groove (495), respectively.

6. The hydrogen fuel cell system and BOP component placement stand according to claim 1, characterized in that, A friction pad (493) is fixedly connected to the surface of the connecting block (492), and the friction pad (493) is a rubber pad.

7. The hydrogen fuel cell system and BOP component placement frame according to claim 1, characterized in that, The lifting device (6) also includes a tension spring (64), which is sleeved on the surface of the connecting column (63). The two ends of the tension spring (64) are fixedly connected to the connecting column (63) and the support plate (65) respectively. The upper surface of the support plate (65) is provided with a slot (68), and the cross-section of the slot (68) is U-shaped.

8. The hydrogen fuel cell system and BOP component placement stand according to claim 7, characterized in that, The support rod (62) has a protective sleeve (66) fixedly connected to its arc surface, and the surface of the protective sleeve (66) is engaged with the inner wall of the slot (68).

9. The hydrogen fuel cell system and BOP component placement stand according to claim 7, characterized in that, The inner wall of the slot (68) has an arc-shaped cross-section at both ends, and the cross-sectional dimensions of the slot (68) are adapted to the cross-sectional dimensions of the support rod (62).

10. The hydrogen fuel cell system and BOP component placement stand according to claim 1, characterized in that, An auxiliary hole (67) is provided on the bottom surface of the support plate (65). The inner wall of the auxiliary hole (67) slides through the surface of the connecting column (63). The cross-section of the connecting column (63) is cross-shaped. The cross-sectional dimensions of the auxiliary hole (67) are adapted to the cross-sectional dimensions of the connecting column (63).

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